A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5960-01-068-4003
NSN 5895-01-040-9213
NSN 5905-00-075-0993
NSN 6135-00-299-6918
NSN 6110-01-241-7560
NSN 5915-00-196-1417
NSN 5935-01-435-5963
NSN 6130-01-014-4176
NSN 5985-00-707-3473
NSN 6110-01-171-7348
NSN 5960-01-274-7628
NSN 5996-00-800-7628